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Abstract

The coordinate-transformation-based differential method of
Chandezon et al. [J. Opt. (Paris) 11, 235 (1980); J. Opt. Soc. Am. 72, 839 (1982)] (the C
method) is one of the simplest and most versatile methods for
modeling surface-relief gratings. However, to date it has been used
by only a small number of people, probably because, traditionally,
elementary tensor theory is used to formulate the method. We
reformulate the C method without using any knowledge of tensor, thus,
we hope, making the C method more accessible to optical
engineers.

References

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